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Can i convert 230v ac to 24v dc by using a relay?Instead of Smps is it possible? What is relay logic in plc ?? How it works?
2 118761. what is modbus cable? 2. what kind of communication we are using for the interface of DCS, ESD and Third party cabinets? 3. What is serial communication and peer to peer communication?
2267What is the Difference between E/P Positioner and I/P positioner in a control valve? In which applications the respective positioners are used in?
ADCO,
18 77578in my company organisation in plan to take new PLC system for replacing old relay system , for that what I/P needsd to submit to the system house of PLC supplier?
1 3032god evening sir i am studying m.sc(tech)electronics &instrumention.am i elegible to all industies
1864Post New Instrumentation Questions
What is the use of GMV in turbine?
I want to buy a seal kit of a pneumatic power cylinder.But I don't know it's specification.So please help me to know its specification.
Why does a pressure gauge installed on reactor, doesn't have any vent line below to release the pressure? Is it any kind of designing mistake or it actually does not require any vent line? And if it does not require any vent line below it then how we are gonna release the pressure built inside the pressure gauge?
Describe a time when you anticipated potential problems and developed preventive measures.
I want to apply for the universities in US,but i got the GRE score of (650+300=950)TOEFL 69/120.Is this score sufficient for applying universities please i am married i need to go to US because my husband didn't get H1 yet.please send me suggestion
How the sizing of the analog signal cable is calculate?
What is the difference between conductive lined pipe and conductive unlined pipe? Why do we see that?
why use 50% lel methane gas concentration for gas detector calibration instead of 60% lel gas concentration whereas the hi alarm set at 60% lel.
what is interface level measurement.who can calibrate interface level measurement transmitter online
if my flow is 20000 m3/h than which range of DPT i have to use????
Hi Friends i need Electronics&Instrumentation Engg question papers for BARC written test by coming 20th May 2008 pls post ur use full info to kkumarei@gmail.com. Or for suggestions pls give one missed call to 9962122264
what is IEC code in cables & how to selecting cables?
Identification of ss fittings, pilot valves, relief valve.
why we use cascade control and feed forward control in 3 element drum level control measurement of steam drum .what is cascade and feed forward control system ?give example .
For what reason would you possibly be compelled to make use of a Smith Predictor. Explain the idea behind the operation of this device.
